Go to the app info and then Select the permission And disable and enable it the microphone's permission like turn it off and then turn it back on then go back to the camera and try the voice commands it worked for me
Please try suggestion from @boston503 . if issue persists, Please update Samsung members app to latest version from galaxy store and send us an error report immediately after experiencing the issue from the Samsung member’s app -> Beta Feedback -> Error Reports to help us debug the issue. We apologize for the inconvenience and appreciate your contribution to the beta program.
